chore: reverse next version back to 15.3.3

It's causing runtime issues in the docker production build

Author: geclos

apps/web/package.json

@@ -52,7 +52,7 @@
     "lucia": "3.2.0",
     "monaco-editor": "0.50.0",
     "nanoid": "5.0.9",
-    "next": "15.3.4",
+    "next": "15.3.3",
     "next-themes": "0.3.0",
     "nextjs-toploader": "1.6.12",
     "nprogress": "0.2.0",